I might have become a dangerous man with all that obstinacy built into me.我若是养就了那种根深蒂固的犟脾气，也许就成了危险分子。I might have become a dangerous man with all that stubbornness and obstinacy built into me.我若是养就了那种根深蒂固的犟脾气，也许就成了危险分子。The boy took his stubbornness from his father.这男孩的犟脾气是他爸爸传给他的。